2 in x 48 in x 24 in Polyisocyanurate High – Grai [] yellow pehd sheet 24 x 48 st 2 in x 48 in x 24 in Polyisocyanurate High – henan okay 2 in x 48 in x 24 in Polyisocyanurate High Temperature Insulation, Density 2#, Plain, Light Yellow Item # 19NE88; Mfr. Model # 47270 y